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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20240821144240.0</controlfield>
  <controlfield tag="008">240821b2018    bl.|r|pooa||| 00| 0 por |</controlfield>
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    <subfield code="b">1940</subfield>
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    <subfield code="a">F01</subfield>
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    <subfield code="a">Rodrigues, L.S. </subfield>
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    <subfield code="a">Alves Filho, D.C. </subfield>
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    <subfield code="a">Brondani, I.L. </subfield>
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    <subfield code="a">Silva, V.S. </subfield>
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    <subfield code="a">Paula, P.C. </subfield>
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    <subfield code="a">Adams, S.M.</subfield>
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    <subfield code="a">Martini, P.M.</subfield>
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    <subfield code="a">Martini, A.P.M. </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Vari&#xE1;veis morfog&#xEA;nicas e estruturais de sorgo forrageiro implantado com diferentes arranjos populacionais sob pastoreio cont&#xED;nuo</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o online; 26 ref.; 7 tables; Summaries (En, Pt)</subfield>
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RESUMO - O objetivo do estudo foi avaliar os efeitos da utiliza&#xE7;&#xE3;o de diferentes arranjos populacionais na implanta&#xE7;&#xE3;o de sorgo forrageiro nas caracter&#xED;sticas morfog&#xEA;nicas e estruturais do pasto. Os tratamentos foram 22 ou 44cm entrelinhas e 12 ou 24kg de sementes ha-1 . O m&#xE9;todo de pastoreio foi cont&#xED;nuo. Foram utilizadas 36 novilhas, com idade e peso corporal m&#xE9;dios de 15 meses de 262kg. As vari&#xE1;veis morfog&#xEA;nicas n&#xE3;o foram influenciadas significativamente (P&gt;0,05) pelos arranjos populacionais e pelos per&#xED;odos de avalia&#xE7;&#xE3;o, sendo obtidos taxa de alongamento e senesc&#xEA;ncia foliar de 1,43 e 1,11cm dia1 afilho-1, respectivamente, taxa de aparecimento foliar e intervalo de surgimento de folhas de 0,28 folhas dia-1 afilho-1 e 3,81 dias, filocrono e dura&#xE7;&#xE3;o de vida foliar de 72,99 e 351,68 graus dia, nessa ordem. As caracter&#xED;sticas estruturais do pasto foram influenciadas pelos per&#xED;odos de avalia&#xE7;&#xE3;o. Do primeiro para o terceiro per&#xED;odo de avalia&#xE7;&#xE3;o, foi verificada uma redu&#xE7;&#xE3;o de 65,53% no n&#xFA;mero de folhas em alongamento e de 47,79% no n&#xFA;mero de folhas vivas.


Palavras-chave: espa&#xE7;amento entrelinhas, densidade de sementes, Sorghum bicolor, taxa de alongamento, taxa de senesc&#xEA;ncia</subfield>
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  <datafield tag="520" ind1=" " ind2=" ">
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ABSTRACT - The objective of the study was to evaluate the effects of using different population arrangements in the implementation of sorghum in the morphogenetic and structural characteristics of the pasture. The treatments were 22 or 44cm between rows and 12 or 24kg ha-1 of seed. The grazing method was continuous. The sample consisted of 36 heifers with an average age of 15 months and average body weight of 262kg. Morphogenic variables were not significantly influenced (P&gt;0.05) by population arrangements and evaluation periods, elongation rate and leaf senescence of 1.43 and 1.11cm afilho-1 day-1 being obtained, respectively, and leaf appearance rate of leaf appearance leaves the range of 0.28 day-1 and 1afilho 3.81 days, phyllochron and leaf duration of life of 72.99 and 351.68 degree day, in that order. The structural characteristics of the pasture were influenced by evaluation periods. From the first to the third evaluation period, a reduction of 65.53% in the number of leaves in stretching and 47.79% in the number of living leaves was verified.


Keywords: elongation rate, seed density, Sorghum bicolor, row spacing, senescence rate</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">PASTAGEM</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">NUTRI&#xC7;&#xC3;O ANIMAL</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">SORGO FORRAGEIRO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CONDI&#xC7;&#xC3;O AMBIENTAL</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ESPA&#xC7;AMENTO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">SEMENTE</subfield>
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    <subfield code="a">DENSIDADE</subfield>
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    <subfield code="0">1643</subfield>
    <subfield code="9">317174</subfield>
    <subfield code="d">Belo Horizonte-MG Universidade Federal de Minas Gerais - Escola de Veterinaria 1983</subfield>
    <subfield code="o">2024-3790</subfield>
    <subfield code="t">Arquivo Brasileiro de Medicina Veterin&#xE1;ria e Zootecnia (Brazil)</subfield>
    <subfield code="x">0102-0935</subfield>
    <subfield code="g">v. 70(1) p. 287-296; (2018)</subfield>
    <subfield code="w">BR2024002302</subfield>
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    <subfield code="u">https://www.scielo.br/j/abmvz/a/3cVYt9QPW5JM5GH9ZjQsjnb/?format=pdf&amp;lang=pt</subfield>
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  <datafield tag="942" ind1=" " ind2=" ">
    <subfield code="c">Anal&#xED;tica</subfield>
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  <datafield tag="999" ind1=" " ind2=" ">
    <subfield code="c">300980</subfield>
    <subfield code="d">300980</subfield>
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